• Title/Summary/Keyword: cutting edge technology

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A Study on Evaluation Index of the Panelizing Optimization for Architectural Freeform Surfaces (비정형 파라메트릭 건축부재형성 및 BIM 데이터 변환 프로세스 모델에 관한 연구)

  • Ryu, Jeong-Won
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.1
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    • pp.287-294
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    • 2017
  • BIM technology has been used in the domestic AEC field since the middle 2000s. BIM has proved its worth in cutting-edge buildings, mega-buildings and freeform buildings in particular. Many freeform buildings could not be completed due to the low level of construction technique. However, many successful cases emerged after adopting digital technology, including BIM which encouraged architects to challenge freeform designs. The modeling software that can generate the freeform shape are not usually able to build the efficient BIM data type in the AEC industry. In this study a process model of the parametric freeform construction member generation and conversion to BIM data is shown and the prototype system is demonstrated.

A Study on Application of u-Learning System in Network Centric Warfare Environment (네트워크중심전 환경에서의 u-러닝 시스템 적용방안에 관한 연구)

  • Cha, Hyun-Jong;Yang, Ho-Kyung;Ryou, Hwang-Bin;Jo, Yong-Gun
    • Convergence Security Journal
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    • v.10 no.3
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    • pp.43-49
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    • 2010
  • With the development of information and communications technology(ICT), the concept of ubiquitous that we can communicate regardless of time and place appears. Due to the development of the technology delivering information, current society is called intellectualization society developed from informatization society. The intellectualization society is based on knowledge accumulated by processing information. The education methods are also developed into a concept of u-Learning applying the concept of ubiquitous from the concept of e-Learning using a computer. The military also points out education as a key policy. The aspect of war is changing to NCW(Network Centric Warfare) from platform centric warfare. Therefore, collecting and managing the war situations in real time is a key to controlling command. To this end, it needs to maximize individuals and groups' ability to cultivate the military with cutting-edge knowledge. Therefore, this study aims to look into methods to apply u-learning system in training and military actions according to changes in war environments and ICT.

A Study on Pantograph Sliding Plate Abrasion Measurement and Management using CCD(Charge-Coupled Device) Camera (전하결합소자(CCD : Charge-Coupled Device) 카메라를 이용한 판타그라프 습판마모 자동측정 및 관리방안 연구)

  • Lee, Seong-Gwon;Lee, Dae-WOn;An, Cheon-Heon;Oh, Sang-Yoon;Kim, Seong-Min
    • Proceedings of the KSR Conference
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    • 2007.05a
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    • pp.1344-1368
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    • 2007
  • The Advanced countries including Japan, USA and European countries are adopting automatic system(e.g., auto-measurement using CCD camera) for measuring pantograph sliding plate and wheel abrasion to minimize manpower for E.M.U(Electric Multiple Unit) inspection and maintenance as part of management rationalization of railroad Corporation since late 1980's. In Korea, as part of scheme of business rationalization, automatic system for measuring pantograph sliding plate and wheel abrasion started to draw industry attention since late 1990s, and the system started to be installed in newly built depots of Korea Railroad Corporation since 2002. This study hopefully provides the base for realizing business rationalization and applying the advanced technology developed by Korea, the country of powerful IT basis, to overseas railroad organizations by examining automatic system for measuring pantograph sliding plate abrasion using existing CCD cameras produced domestically and in foreign countries to study cases(organizations in Korea) for improvement of measurement, management and inspection of pantograph sliding plate abrasion using CCD cameras with new cutting-edge technology; and by applying the study result to railroad organizations in metropolitan areas in Korea.

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Development of Structure Dynamic Characteristics Analysis System Prototype using Image Processing Technique (영상처리기법을 이용한 구조물 동특성 분석 시스템 프로토타입 개발)

  • Jo, Byung-Wan;Lee, Yun-Sung;Kim, Jung-Hoon;Kim, Do-Keun;Yoon, Kwang-Won
    • The Journal of the Korea Contents Association
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    • v.16 no.3
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    • pp.11-21
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    • 2016
  • Recently, structure safety management techniques using cutting-edge technology(Displacement senor, sensor of acceleration) has emerged as an important issue owing to the aging of infrastructure such as bridge and building. In general, the structural monitoring system for structure safety management is based on IT technology and it is expensive to install. In this paper developed an image-based structure dynamic characteristic analysis system prototype to assess the damage of structure in a more cost-effective way than traditional structure health monitoring system. The inspector can take a video of buildings or other structures with digital camera or any other devices that is passible to take video, and then using NCC calculation for image processing technique to get natural frequency. This system is analysis of damage of the structure using a compare between the frequency response ratio and functions when problems are occurs send alarm to administrator. This system is easier to install and remove than previous monitoring sensor in economical way.

A Study on the Features of Digilog in Contemporary Fashion (현대 패션에 나타난 디지로그의 특징)

  • Lew, Chahyang;Suh, Seunghee
    • Journal of Fashion Business
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    • v.21 no.5
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    • pp.61-77
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    • 2017
  • Fashion companies are increasingly becoming aware of the importance of Digilog as a response strategy to an emotional stimulus, in order to win the hearts of consumers, because the Digilog provides a new type of emotional value. The features of Digilog found in modern fashion are characterized as follows: first, the "Fashion Image of Hybrid Nature" expresses nature in a new light or reinterprets existing expressions of nature, by using cutting-edge technology based on the psychological desire to return to, adapt with, and harmonize with nature. Second, the "Fashion Image of Nostalgia," which exhibits past forms of regressive fashion, is a fashion code that can be understood as a social trend. It has a digital exterior, with retro materials and old perfumes that reflect psychological comfort, as its expressive medium. Third, the "Lifestyle through the Technique of Interaction" is the sharing of information through consumer participation and delivery, or its interaction. Fourth, the "Fashion Design through the Technique of Customizing" allows consumers to actively participate in the design process. It reflects the consumer's desire to personally design fashion products. Fifth, the "Emotion Sharing through the Technique of Storytelling," which focuses on intangible values, is based on the sentiment of communication between the consumer and the brand, thereby satisfying the inner values as well as the aesthetic demands of consumers. This study confirmed that digital fashion, which uses digital technology based on analog sentiments, has opened up a new environment for fashion culture and has also widened the boundaries of fashion.

Semantic Computing for Big Data: Approaches, Tools, and Emerging Directions (2011-2014)

  • Jeong, Seung Ryul;Ghani, Imran
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.8 no.6
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    • pp.2022-2042
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    • 2014
  • The term "big data" has recently gained widespread attention in the field of information technology (IT). One of the key challenges in making use of big data lies in finding ways to uncover relevant and valuable information. The high volume, velocity, and variety of big data hinder the use of solutions that are available for smaller datasets, which involve the manual interpretation of data. Semantic computing technologies have been proposed as a means of dealing with these issues, and with the advent of linked data in recent years, have become central to mainstream semantic computing. This paper attempts to uncover the state-of-the-art semantics-based approaches and tools that can be leveraged to enrich and enhance today's big data. It presents research on the latest literature, including 61 studies from 2011 to 2014. In addition, it highlights the key challenges that semantic approaches need to address in the near future. For instance, this paper presents cutting-edge approaches to ontology engineering, ontology evolution, searching and filtering relevant information, extracting and reasoning, distributed (web-scale) reasoning, and representing big data. It also makes recommendations that may encourage researchers to more deeply explore the applications of semantic technology, which could improve the processing of big data. The findings of this study contribute to the existing body of basic knowledge on semantics and computational issues related to big data, and may trigger further research on the field. Our analysis shows that there is a need to put more effort into proposing new approaches, and that tools must be created that support researchers and practitioners in realizing the true power of semantic computing and solving the crucial issues of big data.

Research on the Convergence of CCTV Video Information with Disaster Recognition and Real-time Crisis Response System (CCTV 영상 정보와 재난재해 인식 및 실시간 위기 대응 시스템의 융합에 관한 연구)

  • Kim, Ki-Bong;Geum, Gi-Moon;Jang, Chang-Bok
    • Journal of the Korea Convergence Society
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    • v.8 no.3
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    • pp.15-22
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    • 2017
  • People generally believe that disaster forecast and warning systems and response systems are well established in the age of cutting edge technology. As a matter of fact, reliable systems to respond to disasters are not properly equipped, as we witnessed the Sewol ferry disaster in 2014. The existing forecast and warning systems are based on sensor information with low efficiency, and image information is only operated by monitoring staff manually. In addition, the interconnection between a warning system and a response system in order to decide how to cope with the recognized disaster is very insufficient. This paper introduces the CCTV based disaster recognition and real time crisis response system composed of the CCTV image recognition engine and the crisis response technique. This system has brought the possibility to overcome the limitations of existing sensor based forecast and warning systems, and to resolve the problems in the absence of monitoring staff when responding to crisis.

Development of Shading Tape for Manufacturing of Touch Panel Display with High Screen-to-Body Ratio (기기 면적 대비 높은 화면 비율을 갖는 터치 패널 디스플레이 제조를 위한 차광 테이프의 개발)

  • Kim, Ki-Chul
    • Journal of Convergence for Information Technology
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    • v.7 no.4
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    • pp.75-81
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    • 2017
  • The design trend of information technology is quickly changed with the times. The design trend of information display is a bezel-less display, recently. The bezel-less display or edge-less display is a new trend of mobile phone display. In this study, the shading tape was manufactured for assembling process of touch panel display with the high screen-to-body ratio so-called bezel-less display. The shading tape was fabricated on PET film with the UV curable acrylic pressure sensitive adhesive(PSA) by roll-to-roll process. The UV curable PSA was synthesized with the eco-friendly toluene-less manufacturing method. The adhesive power of manufactured shading tape was investigated by motorized tensile testing machine. The thixotropic, maintaining property of cutting shape, was characterized by field emission scanning electron microscope. As results, the shading tape exhibits high adhesive power and good thixotropic performance suitable for assembly process of touch panel display. The functional shading tape will be expected to improve productivity of assembly process of touch panel display.

A Study on Jewelry Industry and Design Status of Italy (이태리 귀금속 산업 및 디자인 현황에 관한 고찰)

  • 최승욱
    • Archives of design research
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    • v.12 no.2
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    • pp.65-73
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    • 1999
  • In Italy, numerous jewelry ornaments have been actively manufactured from long time ago, since Italian has been highly interested in jewelry from the ancient limes, therefor jewelry industry of Italy has been improved at an alarming pace with latest cutting-edge technology through their highly-talented artistic sense and workmanship of precious metals that have been inherited without any interruption based on the traditional history and culture. One out of five ornaments in the whole world is made in Italy, so Italy is the biggest maker to manufacture ornament made of gold, silver and precious stone recording more than 70 billion dollar of annual sales. The diversified composite factors-handmade oriented ornaments with artistic concept based on their inherited craftsmanship from generation to generation and refinedly and sensationally harmonized design -have resulted in development and mass manufacturing for ornaments. Now days the jewelry maker of Italy have actively introduced improved management know-how and international approach for marketing and made a strenuous effort to newly technology and creative design through close relationship with designers.

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Trends in the development of human stem cell-based non-animal drug testing models

  • Lee, Su-Jin;Lee, Hyang-Ae
    • The Korean Journal of Physiology and Pharmacology
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    • v.24 no.6
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    • pp.441-452
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    • 2020
  • In vivo animal models are limited in their ability to mimic the extremely complex systems of the human body, and there is increasing disquiet about the ethics of animal research. Many authorities in different geographical areas are considering implementing a ban on animal testing, including testing for cosmetics and pharmaceuticals. Therefore, there is a need for research into systems that can replicate the responses of laboratory animals and simulate environments similar to the human body in a laboratory. An in vitro two-dimensional cell culture model is widely used, because such a system is relatively inexpensive, easy to implement, and can gather considerable amounts of reference data. However, these models lack a real physiological extracellular environment. Recent advances in stem cell biology, tissue engineering, and microfabrication techniques have facilitated the development of various 3D cell culture models. These include multicellular spheroids, organoids, and organs-on-chips, each of which has its own advantages and limitations. Organoids are organ-specific cell clusters created by aggregating cells derived from pluripotent, adult, and cancer stem cells. Patient-derived organoids can be used as models of human disease in a culture dish. Biomimetic organ chips are models that replicate the physiological and mechanical functions of human organs. Many organoids and organ-on-a-chips have been developed for drug screening and testing, so competition for patents between countries is also intensifying. We analyzed the scientific and technological trends underlying these cutting-edge models, which are developed for use as non-animal models for testing safety and efficacy at the nonclinical stages of drug development.